Home / 1,686,842.76-2,327,876.62-922,912.72

Finding the Fourth Proportional to 1,686,842.76, 2,327,876.62 and 922,912.72

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Solution

The fourth proportional to 1,686,842.76, 2,327,876.62 and 922,912.72 is: 1,273,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,842.76 : 2,327,876.62 = 922,912.72 : x
  2. Step 2: Convert to fraction form
    1,686,842.76/2,327,876.62 = 922,912.72/x
  3. Step 3: Cross multiply
    1,686,842.76x = 2,327,876.62 × 922,912.72
  4. Step 4: Simplify right side
    1,686,842.76x = 2,148,426,943,188.61
  5. Step 5: Solve for x
    x = 2,148,426,943,188.61/1,686,842.76
  6. Step 6: Final answer
    x = 1,273,637.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.